Environmental Liabilities and Expenditures (Tables)

3 Months Ended

Mar. 31, 2018

Environmental Liabilities and Expenditures

Schedule of current and non-current environmental remediation reserves by categories of sites

		Reserve Balance
	Number of Sites	(in millions)
NPL sites	34	$	460
Third-party sites	71		159
Occidental-operated sites	15		107
Closed or non-operated Occidental sites	29		139
Total	149	$	865